.flashcards-player__sr-status[data-astro-cid-fwb27n42]{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.flashcards-player[data-astro-cid-fwb27n42]{flex-direction:column;gap:1.5rem;max-width:40rem;margin:0 auto;display:flex}.flashcards-player__controls[data-astro-cid-fwb27n42]{border-radius:var(--radius-base);background:var(--color-surface-glass);border:1px solid var(--color-border-subtle);flex-direction:column;gap:.75rem;padding:1rem 1.25rem;display:flex}@media (width>=640px){.flashcards-player__controls[data-astro-cid-fwb27n42]{flex-direction:row;justify-content:space-between;align-items:center}}.flashcards-player__filter[data-astro-cid-fwb27n42]{flex-direction:column;gap:.375rem;display:flex}.flashcards-player__filter-label[data-astro-cid-fwb27n42]{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);font-size:.6875rem;font-weight:600}.flashcards-player__select-wrap[data-astro-cid-fwb27n42]{position:relative}.flashcards-player__select[data-astro-cid-fwb27n42]{border:1px solid var(--color-border-subtle);background:var(--color-background);color:var(--color-text-primary);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right .625rem center;background-repeat:no-repeat;border-radius:.625rem;min-height:2.5rem;padding:.5rem 2.25rem .5rem .75rem;font-family:inherit;font-size:.875rem;font-weight:500;transition:border-color .2s}.flashcards-player__select[data-astro-cid-fwb27n42]:hover{border-color:var(--color-border-60)}.flashcards-player__select[data-astro-cid-fwb27n42]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.flashcards-player__stats[data-astro-cid-fwb27n42]{align-items:center;gap:.625rem;display:flex}.flashcards-player__counter[data-astro-cid-fwb27n42]{color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-size:.875rem;font-weight:700}.flashcards-player__reset-btn[data-astro-cid-fwb27n42]{border:1px solid var(--color-border-subtle);width:2.25rem;height:2.25rem;color:var(--color-text-muted);cursor:pointer;background:0 0;border-radius:.5rem;justify-content:center;align-items:center;transition:color .2s,border-color .2s,background .2s;display:inline-flex}.flashcards-player__reset-btn[data-astro-cid-fwb27n42]:hover{color:var(--color-error);border-color:color-mix(in srgb, var(--color-error) 40%, transparent);background:color-mix(in srgb, var(--color-error) 6%, transparent)}.flashcards-player__reset-btn[data-astro-cid-fwb27n42]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.flashcards-player__progress[data-astro-cid-fwb27n42]{flex-direction:column;gap:.625rem;display:flex}.flashcards-player__progress-bar[data-astro-cid-fwb27n42]{background:color-mix(in srgb, var(--color-text-muted) 12%, transparent);border-radius:3px;height:6px;display:flex;overflow:hidden}.flashcards-player__progress-learned[data-astro-cid-fwb27n42]{background:var(--color-success);transition:width .3s var(--ease-out-quart)}.flashcards-player__progress-review[data-astro-cid-fwb27n42]{background:var(--color-error,#ef4444);transition:width .3s var(--ease-out-quart)}.flashcards-player__progress-legend[data-astro-cid-fwb27n42]{flex-wrap:wrap;gap:1rem;display:flex}.flashcards-player__legend-item[data-astro-cid-fwb27n42]{color:var(--color-text-muted);align-items:center;gap:.375rem;font-size:.75rem;display:flex}.flashcards-player__legend-dot[data-astro-cid-fwb27n42]{border-radius:50%;width:8px;height:8px}.flashcards-player__legend-dot--learned[data-astro-cid-fwb27n42]{background:var(--color-success)}.flashcards-player__legend-dot--review[data-astro-cid-fwb27n42]{background:var(--color-error,#ef4444)}.flashcards-player__legend-dot--unseen[data-astro-cid-fwb27n42]{background:color-mix(in srgb, var(--color-text-muted) 30%, transparent)}.flashcards-player__card-area[data-astro-cid-fwb27n42]{position:relative}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42]{perspective:1000px;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;width:100%;min-height:20rem;animation:flashcard-enter .3s var(--ease-out-quart) both}@keyframes flashcard-enter{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42]:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px;border-radius:1rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__inner[data-astro-cid-fwb27n42]{width:100%;min-height:20rem;transition:transform .5s var(--ease-out-quart);transform-style:preserve-3d;position:relative}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42].is-flipped .flashcard__inner[data-astro-cid-fwb27n42]{transform:rotateY(180deg)}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__face[data-astro-cid-fwb27n42]{border:1px solid var(--color-border-subtle);background:var(--color-surface-glass);backface-visibility:hidden;border-radius:1rem;flex-direction:column;padding:1.5rem;display:flex;position:absolute;inset:0;overflow-y:auto}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__front[data-astro-cid-fwb27n42]{text-align:center;align-items:center;gap:0;padding-top:2.5rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__question-wrap[data-astro-cid-fwb27n42]{flex:1;justify-content:center;align-items:center;display:flex}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__back[data-astro-cid-fwb27n42]{justify-content:flex-start;gap:1rem;transform:rotateY(180deg)}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__article-badge[data-astro-cid-fwb27n42]{color:var(--color-accent);background:var(--color-accent-10);border:1px solid var(--color-accent-20);z-index:2;border-radius:9999px;padding:.125rem .5rem;font-size:.75rem;font-weight:700;position:absolute;top:.875rem;left:.875rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__difficulty[data-astro-cid-fwb27n42]{gap:3px;display:flex;position:absolute;top:.875rem;right:.875rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__diff-dot{background:color-mix(in srgb, var(--color-text-muted) 30%, transparent);border-radius:50%;width:6px;height:6px}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__diff-dot--active{background:var(--color-accent)}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__type-badge[data-astro-cid-fwb27n42]{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);background:color-mix(in srgb, var(--color-text-muted) 8%, transparent);border-radius:.25rem;padding:.125rem .375rem;font-size:.625rem;font-weight:700;position:absolute;top:.875rem;right:3rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__question[data-astro-cid-fwb27n42]{color:var(--color-text-primary);max-width:36rem;margin:0;font-size:1.125rem;font-weight:600;line-height:1.5}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__flip-hint[data-astro-cid-fwb27n42]{color:var(--color-text-muted);padding-bottom:.25rem;font-size:.75rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__answer-section[data-astro-cid-fwb27n42]{margin-top:1.5rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__answer-label[data-astro-cid-fwb27n42]{text-transform:uppercase;letter-spacing:.05em;color:var(--color-success);font-size:.75rem;font-weight:700}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__answer[data-astro-cid-fwb27n42]{color:var(--color-text-primary);margin:.375rem 0 0;font-size:1rem;font-weight:700;line-height:1.5}.flashcards-player__box-indicator[data-astro-cid-fwb27n42]{color:var(--color-text-muted);background:var(--color-surface-glass-strong);border:1px solid var(--color-border-subtle);z-index:3;border-radius:.375rem;padding:.125rem .5rem;font-size:.6875rem;font-weight:700;position:absolute;bottom:.75rem;right:.75rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42]:hover .flashcard__inner[data-astro-cid-fwb27n42]{transform:translateY(-4px)}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42].is-flipped:hover .flashcard__inner[data-astro-cid-fwb27n42]{transform:rotateY(180deg)translateY(-4px)}@media (width>=640px){.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42],.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__inner[data-astro-cid-fwb27n42]{min-height:22rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__face[data-astro-cid-fwb27n42]{padding:2rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__question[data-astro-cid-fwb27n42]{font-size:1.25rem}}.flashcards-player__actions[data-astro-cid-fwb27n42]{flex-wrap:wrap;justify-content:center;gap:.625rem;display:flex}.flashcards-player__action-btn[data-astro-cid-fwb27n42]{border:1px solid var(--color-border-subtle);background:var(--color-surface-glass);min-height:2.75rem;color:var(--color-text-primary);cursor:pointer;transition:background .2s ease, border-color .2s ease, transform .2s var(--ease-out-quart);border-radius:.75rem;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:.875rem;font-weight:700;display:inline-flex}.flashcards-player__action-btn[data-astro-cid-fwb27n42]:hover{transform:translateY(-2px)}.flashcards-player__action-btn[data-astro-cid-fwb27n42]:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.flashcards-player__action-btn[data-astro-cid-fwb27n42]:active{transform:scale(.97)}.flashcards-player__action-btn--review[data-astro-cid-fwb27n42]{color:var(--color-error);border-color:color-mix(in srgb, var(--color-error) 30%, transparent)}.flashcards-player__action-btn--review[data-astro-cid-fwb27n42]:hover{background:color-mix(in srgb, var(--color-error) 8%, transparent);border-color:color-mix(in srgb, var(--color-error) 50%, transparent)}.flashcards-player__action-btn--learned[data-astro-cid-fwb27n42]{color:var(--color-success);border-color:color-mix(in srgb, var(--color-success) 30%, transparent)}.flashcards-player__action-btn--learned[data-astro-cid-fwb27n42]:hover{background:var(--color-success-8);border-color:color-mix(in srgb, var(--color-success) 50%, transparent)}.flashcards-player__action-btn--skip[data-astro-cid-fwb27n42]{color:var(--color-text-muted)}.flashcards-player__action-btn--skip[data-astro-cid-fwb27n42]:hover{background:color-mix(in srgb, var(--color-text-muted) 8%, transparent);border-color:color-mix(in srgb, var(--color-text-muted) 30%, transparent)}.flashcards-player__empty[data-astro-cid-fwb27n42]{justify-content:center;display:flex}.flashcards-player__empty-inner[data-astro-cid-fwb27n42]{border:1px dashed var(--color-border-subtle);background:var(--color-surface-glass);text-align:center;border-radius:1rem;flex-direction:column;align-items:center;gap:.75rem;width:100%;max-width:28rem;padding:2.5rem 2rem;display:flex}.flashcards-player__empty-title[data-astro-cid-fwb27n42]{color:var(--color-text-primary);margin:0;font-size:1.125rem;font-weight:700}.flashcards-player__empty-subtitle[data-astro-cid-fwb27n42]{color:var(--color-text-muted);margin:0;font-size:.875rem;line-height:1.5}.flashcards-player__complete[data-astro-cid-fwb27n42]{justify-content:center;display:flex}.flashcards-player__complete-inner[data-astro-cid-fwb27n42]{border:1px solid var(--color-border-subtle);background:var(--color-surface-glass);text-align:center;border-radius:1rem;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:28rem;padding:2.5rem 2rem;display:flex}.flashcards-player__complete-title[data-astro-cid-fwb27n42]{color:var(--color-text-primary);margin:0;font-size:1.25rem;font-weight:700}.flashcards-player__complete-subtitle[data-astro-cid-fwb27n42]{color:var(--color-text-muted);margin:0;font-size:.875rem;line-height:1.5}.flashcards-player__complete-actions[data-astro-cid-fwb27n42]{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:.5rem;display:flex}@media (width<=479px){.flashcards-player__controls[data-astro-cid-fwb27n42]{padding:.875rem 1rem}.flashcards-player__action-btn[data-astro-cid-fwb27n42]{flex:1;min-width:0;padding:.75rem .625rem;font-size:.8125rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42],.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__inner[data-astro-cid-fwb27n42]{min-height:16rem}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__face[data-astro-cid-fwb27n42]{padding:1.25rem}.flashcards-player__complete-inner[data-astro-cid-fwb27n42]{padding:2rem 1.5rem}.flashcards-player__select[data-astro-cid-fwb27n42]{width:100%}.flashcards-player__srs-boxes[data-astro-cid-fwb27n42]{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42]{animation:none}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard__inner[data-astro-cid-fwb27n42]{transition:none}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42]:hover .flashcard__inner[data-astro-cid-fwb27n42],.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42].is-flipped:hover .flashcard__inner[data-astro-cid-fwb27n42]{transform:none}.flashcards-player__card-area[data-astro-cid-fwb27n42] .flashcard[data-astro-cid-fwb27n42].is-flipped .flashcard__inner[data-astro-cid-fwb27n42]{transform:rotateY(180deg)}.flashcards-player__action-btn[data-astro-cid-fwb27n42]{transition:none}.flashcards-player__action-btn[data-astro-cid-fwb27n42]:hover{transform:none}.flashcards-player__progress-learned[data-astro-cid-fwb27n42],.flashcards-player__progress-review[data-astro-cid-fwb27n42]{transition:none}}.flashcards-page[data-astro-cid-3bpsbtdd]{flex-direction:column;gap:2rem;width:100%;max-width:48rem;margin:0 auto;padding:2rem 1rem 4rem;display:flex}.flashcards-page__hero[data-astro-cid-3bpsbtdd]{text-align:center;flex-direction:column;align-items:center;gap:.5rem;display:flex}.flashcards-page__subtitle[data-astro-cid-3bpsbtdd]{max-width:36rem}.flashcards-page__shortcuts[data-astro-cid-3bpsbtdd]{color:var(--color-text-muted);align-items:center;gap:.75rem;margin-top:.25rem;font-size:.75rem;display:none}@media (width>=768px){.flashcards-page__shortcuts[data-astro-cid-3bpsbtdd]{display:flex}}.flashcards-page__shortcuts[data-astro-cid-3bpsbtdd] kbd[data-astro-cid-3bpsbtdd]{min-width:1.5rem;color:var(--color-text-muted);background:var(--color-surface-glass);border:1px solid var(--color-border-subtle);border-radius:.25rem;justify-content:center;align-items:center;padding:.125rem .375rem;font-family:inherit;font-size:.6875rem;font-weight:600;line-height:1.4;display:inline-flex}.fc-cta[data-astro-cid-3bpsbtdd]{text-align:center;border-top:1px solid var(--color-border-subtle);flex-direction:column;align-items:center;gap:.75rem;margin-top:1rem;padding:2.5rem 1.5rem;display:flex}.fc-cta__heading[data-astro-cid-3bpsbtdd]{letter-spacing:-.025em;font-size:1.5rem}.fc-cta__subtitle[data-astro-cid-3bpsbtdd]{max-width:32rem;line-height:1.7}.fc-cta__buttons[data-astro-cid-3bpsbtdd]{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:.5rem;display:flex}.fc-related[data-astro-cid-3bpsbtdd]{text-align:center;padding:1.5rem 0 0}.fc-related__text[data-astro-cid-3bpsbtdd]{color:var(--color-text-muted);max-width:36rem;margin:0 auto;font-size:.8125rem;line-height:1.7}.fc-related__link[data-astro-cid-3bpsbtdd]{color:var(--color-accent);font-weight:600;text-decoration:none;transition:color .2s}.fc-related__link[data-astro-cid-3bpsbtdd]:hover{text-underline-offset:2px;text-decoration:underline}@media (width>=640px){.flashcards-page[data-astro-cid-3bpsbtdd]{padding:2rem 1.5rem 5rem}.fc-cta__heading[data-astro-cid-3bpsbtdd]{font-size:1.75rem}}